226921455 has 24 divisors (see below), whose sum is σ = 395111808. Its totient is φ = 120476736.

The previous prime is 226921451. The next prime is 226921469. The reversal of 226921455 is 554129622.

It is not a de Polignac number, because 226921455 - 2² = 226921451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226921451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1272 + ... + 21341.

It is an arithmetic number, because the mean of its divisors is an integer number (16462992).

Almost surely, 2^226921455 is an apocalyptic number.

226921455 is a deficient number, since it is larger than the sum of its proper divisors (168190353).

226921455 is a wasteful number, since it uses less digits than its factorization.

226921455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22847 (or 22844 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 226921455 is about 15063.9123404247. The cubic root of 226921455 is about 609.9466539392.

The spelling of 226921455 in words is "two hundred twenty-six million, nine hundred twenty-one thousand, four hundred fifty-five".